/* Course calculator — sandbox first, reusable later on service pages */

.ld-course-calc {
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
}

.ld-course-calc__panel {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 16px;
  background: #fff;
  padding: clamp(1.1rem, 2.5vw, 1.75rem);
}

.ld-course-calc__title {
  margin: 0.35rem 0 0;
}

.ld-course-calc__subtitle {
  margin: 0.5rem 0 0;
  max-width: 40rem;
}

.ld-course-calc__grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

@media (min-width: 900px) {
  .ld-course-calc__grid {
    grid-template-columns: 1.4fr 0.9fr;
    grid-template-areas:
      "zones sessions"
      "zones summary";
    align-items: start;
  }

  .ld-course-calc__field:first-of-type {
    grid-area: zones;
  }

  .ld-course-calc__field:nth-of-type(2) {
    grid-area: sessions;
  }

  .ld-course-calc__summary {
    grid-area: summary;
  }
}

.ld-course-calc__field {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.ld-course-calc__legend {
  padding: 0;
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.55);
}

.ld-course-calc__zones {
  display: grid;
  gap: 0.5rem;
}

.ld-course-calc--multi .ld-course-calc__zones {
  max-height: min(420px, 55vh);
  overflow: auto;
  padding-right: 0.15rem;
}

.ld-course-calc--multi .ld-course-calc__zone {
  grid-template-columns: auto 1fr auto;
}

.ld-course-calc--multi .ld-course-calc__zone::before {
  content: "";
  width: 1.125rem;
  height: 1.125rem;
  border: 1.5px solid rgba(0, 0, 0, 0.22);
  border-radius: 4px;
  flex-shrink: 0;
  align-self: center;
  background: #fff;
}

.ld-course-calc--multi .ld-course-calc__zone.is-active::before,
.ld-course-calc--multi .ld-course-calc__zone:has(input:checked)::before {
  border-color: var(--primary, #b7b8ea);
  background: var(--primary, #b7b8ea);
  box-shadow: inset 0 0 0 2px #fff;
}

.ld-course-calc__zone {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.35rem 0.75rem;
  align-items: center;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

/* Keep focused input inside the label so the page does not scroll-jump. */
.ld-course-calc__zone input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.ld-course-calc__zone:hover {
  border-color: rgba(0, 0, 0, 0.22);
}

.ld-course-calc__zone.is-active,
.ld-course-calc__zone:has(input:checked) {
  border-color: var(--primary, #b7b8ea);
  background: color-mix(in srgb, var(--primary, #b7b8ea) 14%, #fff);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary, #b7b8ea) 45%, transparent);
}

.ld-course-calc__zone-label {
  font-weight: 550;
  line-height: 1.3;
}

.ld-course-calc__zone-price {
  font-variant-numeric: tabular-nums;
  color: rgba(0, 0, 0, 0.7);
  white-space: nowrap;
}

.ld-course-calc__sessions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ld-course-calc__chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.75rem;
  height: 3.25rem;
  padding: 0 1.1rem;
  border: 1.5px solid rgba(0, 0, 0, 0.14);
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.ld-course-calc__chip input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.ld-course-calc__chip:hover {
  border-color: rgba(0, 0, 0, 0.25);
}

.ld-course-calc__chip.is-active,
.ld-course-calc__chip:has(input:checked) {
  border-color: var(--primary, #b7b8ea);
  background: var(--primary, #b7b8ea);
  color: var(--black, #111);
}

.ld-course-calc__hint {
  margin: 0.65rem 0 0;
  font-size: 0.875rem;
  color: rgba(0, 0, 0, 0.55);
  line-height: 1.4;
}

.ld-course-calc__summary {
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.03);
  padding: 1rem 1.05rem;
  display: grid;
  gap: 0.65rem;
}

.ld-course-calc__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.95rem;
}

.ld-course-calc__row strong {
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}

.ld-course-calc__row--subtotal {
  color: rgba(0, 0, 0, 0.62);
  font-size: 0.9rem;
}

.ld-course-calc__row--discount {
  color: var(--primary, #6b6dc7);
  font-size: 0.95rem;
}

.ld-course-calc__row--discount[hidden] {
  display: none !important;
}

.ld-course-calc__row--total {
  padding-top: 0.35rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  font-size: 1.05rem;
}

.ld-course-calc__row--total strong {
  font-size: 1.2rem;
}

.ld-course-calc__row--podeli {
  color: rgba(0, 0, 0, 0.62);
  font-size: 0.9rem;
}

.ld-course-calc__actions {
  margin-top: 0.35rem;
}

.ld-course-calc__actions .btn {
  width: 100%;
}

.ld-course-calc__disclaimer {
  margin: 0.15rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: rgba(0, 0, 0, 0.5);
}